Home / 283,264.32-425,159.04-143,121.44

Finding the Fourth Proportional to 283,264.32, 425,159.04 and 143,121.44

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Solution

The fourth proportional to 283,264.32, 425,159.04 and 143,121.44 is: 214,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,264.32 : 425,159.04 = 143,121.44 : x
  2. Step 2: Convert to fraction form
    283,264.32/425,159.04 = 143,121.44/x
  3. Step 3: Cross multiply
    283,264.32x = 425,159.04 × 143,121.44
  4. Step 4: Simplify right side
    283,264.32x = 60,849,374,033.82
  5. Step 5: Solve for x
    x = 60,849,374,033.82/283,264.32
  6. Step 6: Final answer
    x = 214,814.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.